#545 missing include in tcpserver

[IOhannes m zmölnig]

while trying to crosscompile mrpeach/net for w32 on linux using MinGW64 i noticed two problems:

• tcpserver.c is missing an #include <ws2tcpip.h> for socklen_t (as found in in mos t other objects, with the exception of [httpreq], [httpreceive] and [tcpsend])

• i need to link against -liphlpapi to resolve GetIpAddrTable as used in [udpsend]/[udpsend~].

attached is a patch that fixes the first problem.

[Martin Peach]

Well why don't you add it yourself? I don't seem to have access anymore.